Home / 216,161,199-324,275,390.82-72,587,623.32

Finding the Fourth Proportional to 216,161,199, 324,275,390.82 and 72,587,623.32

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Solution

The fourth proportional to 216,161,199, 324,275,390.82 and 72,587,623.32 is: 108,892,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,161,199 : 324,275,390.82 = 72,587,623.32 : x
  2. Step 2: Convert to fraction form
    216,161,199/324,275,390.82 = 72,587,623.32/x
  3. Step 3: Cross multiply
    216,161,199x = 324,275,390.82 × 72,587,623.32
  4. Step 4: Simplify right side
    216,161,199x = 23,538,379,920,787,944
  5. Step 5: Solve for x
    x = 23,538,379,920,787,944/216,161,199
  6. Step 6: Final answer
    x = 108,892,715.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.